John Nikkel

JOHN NIKKEL joined Unit Corporation in 1983 as its President and a
Director. On July 1, 2001, Mr. Nikkel was elected to the office of Chief
Executive Officer, and effective August 1, 2003, he has served as Unit’s
Chairman of the Board of Directors. From 1976 until January 1982 when he
co-founded Nike Exploration Company, Mr. Nikkel was an officer and
Director of Cotton Petroleum Corporation, serving as the President of
Cotton from 1979 until his departure. Prior to joining Cotton, Mr.
Nikkel was employed by Amoco Production Company for 18 years, last
serving as Division Geologist for Amoco’s Denver Division. Mr. Nikkel
presently serves as President and a Director of Nike Exploration
Company. Mr. Nikkel received a Bachelor of Science degree in Geology and
Mathematics from Texas Christian University.